.\"***************************************************************************
-.\" Copyright 2020-2021,2022 Thomas E. Dickey *
+.\" Copyright 2020-2022,2023 Thomas E. Dickey *
.\" Copyright 1998-2013,2015 Free Software Foundation, Inc. *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: curs_overlay.3x,v 1.23 2022/02/12 20:05:11 tom Exp $
-.TH curs_overlay 3X 2022-02-12 "ncurses 6.4" "Library calls"
+.\" $Id: curs_overlay.3x,v 1.26 2023/07/01 15:43:20 tom Exp $
+.TH curs_overlay 3X 2023-07-01 "ncurses 6.4" "Library calls"
.na
.hy 0
.SH NAME
The difference is that \fBoverlay\fP is non-destructive
(blanks are not copied) whereas \fBoverwrite\fP is destructive.
.SS copywin
-.PP
The \fBcopywin\fP routine provides a finer granularity of control over the
\fBoverlay\fP and \fBoverwrite\fP routines.
As in the \fBprefresh\fP routine,